FOOD: Milk sour? Use it in recipes that call for buttermilk, sour cream or yogurt. — LAWN & GARDEN: Control pests with a solution of crushed hot pepper, detergent, mineral oil, and water. — BEAUTY: A vitamin A rich carrot mask is cheaper than any facemask you can buy. — PETS: You won't have to buy a flea collar (or expensive shampoos) if you inclu... more »de garlic in your pet's diet.